Identifying Tau Hadronic Decay with Neural Network

Chen Guoming; Chen Gang

Chinese Physics C> 1995, Vol. 19> Issue(8) : 692-702

Identifying Tau Hadronic Decay with Neural Network

Chen Guoming ^, ,
Chen Gang

The Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039

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Abstract：
The identification of tau one prong hadronic decay using neural network is presented.Based on the identification,we measured the branching ratios: Br(π/Kv)=(12.18±0.26±0.42)%,Br(π/Kπ⁰v)=(25.20±0.35±0.50)%,Br(π/K2π⁰v)=(8.88±0.37±0.38)%,Br(π/K3π⁰v)=(1.70±0.24±0.39)%.

References

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M.Perl.et al,Phys.Rev.Lett,35（1975）1489.[2] W.Marciano,Second Workshop on τ physics,1992.[3] B.Adevaetal,L3 Nucl.Instr and Meth.,A289（1990）35.[4] S.Jadach,B.Ward,Z.Was,Comp Phys.Comm.66（1991）276.[5] R.Brun,et al,GEANT 3 Users'Guide,CERNDD/EE/84-1.[6] P.Wasserman,Neural Computing:Theory and Practice Van Nostrand Reinhold,N.Y,1989.[7] Mariond Conference,France,March,1994.

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Chen Guoming and Chen Gang. Identifying Tau Hadronic Decay with Neural Network[J]. Chinese Physics C, 1995, 19(8): 692-702.

Chen Guoming and Chen Gang. Identifying Tau Hadronic Decay with Neural Network[J]. Chinese Physics C, 1995, 19(8): 692-702. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Identifying Tau Hadronic Decay with Neural Network

Chen Guoming ^,
Chen Gang

Corresponding author: Chen Guoming,

The Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1995-08-05

Abstract: The identification of tau one prong hadronic decay using neural network is presented.Based on the identification,we measured the branching ratios: Br(π/Kv)=(12.18±0.26±0.42)%,Br(π/Kπ⁰v)=(25.20±0.35±0.50)%,Br(π/K2π⁰v)=(8.88±0.37±0.38)%,Br(π/K3π⁰v)=(1.70±0.24±0.39)%.